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Optimized versions of both should run equally. C Even 3 year old AMD cards are mining for nearly retail value and stock of old cards is oddly limited. Integer club has nothing to do with the driver stack, and all to 7950 with the hardware. There are some coins that are resistant to GPU, being created. At least, in the short-term. Problem now hardware power usage is becoming more important litecoin difficulty increased yesterday. Post a Comment Comment.
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When we flip to bit performance, the match-up changes. This is in fact a highly well written and illuminating article, and Joel Hruska has been one of my favorite technical writers for many years now. PPS for hassle-free mining still better btc-wise than checking your miner to discover pool had bad luck again tried deepbit first, shady imho, or just for more advanced miners went to another pool with stratum servers because of long pull errors and idle miner. The price point of the cards vs. C Even 3 year old AMD cards are going for nearly retail value and stock of old cards is oddly limited.
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There is club reason for Nvidia to have made this fundamental mistake generation after generation. The hardware reason AMD cards outperform their Nvidia counterparts in BTC mining litecoin the current Bitcoin 7950 does cover this is because the SHA algorithm utilizes a bit integer right rotate operation. I will agree with you that BFL does not look like mining reliable vendor, however. Let me ask you this: Vector settings, aggression, etc. That takes place in the CPU. AMD is far more likely to go under than Nvidia, sadly enough.
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Use the DiabloMiner kernel either through DiabloMiner itself or through cgminer. Looks like it does deliver a modest speed-up. I lurk in the Folding home beta irc channel and one thing that has been discussed is how NVIDIA has not fixed there OpenCL implementation, the implementation has been broken for multiple generations and means they get worse performance then AMD cards and use a CPU core to run parts of the process.
Nvidia drivers as a whole are very shoddy on both Windows and Linux its more evident on Linux. AMD at least treats me right as a customer. Most pre existing software is already written in CUDA, making porting harder than it should be. Second, and this is old, so it may be fixed by now, is that the OCL drivers on linux are unstable. This is something I have actually seen with luxrender and blender. It is an easy switch if you know both.
So I would expect Tahiti LE to be faster, yes. I think it would go even higher. Problem now is power usage is becoming more important since difficulty increased yesterday. PPS for hassle-free mining still better btc-wise than checking your miner to discover pool had bad luck again. As for who dominates which front, Nvidia has better release drivers and excellent marketing, but in the end, their cards turn out to have the same power for gaming as AMD.
As the other Joel said, yes, but this was the case anyway. Litecoin is largely a failure. Although they use scrypt and I applaud that, they do not use it correctly. There are some coins that are resistant to GPU, being created.
How is bitcoin at all related to any processor performance, and how is a GPU better at password hacking? In the beginning, hashing was done on the CPU. Now, in order to be competitive, you need at least a GPU. The highest-end Intel Xeons can dispatch 4 int32 instructions per core.
Yes, the x86 CPU is running 3x faster than the Radeon , but the Radeon is executing 64x as many instructions. Thanks for making me less ignorant. I have a mere gtx I never got into Radeon because they had crap drivers back in the day.
I sure regret buying a stupid nvidia card. C Even 3 year old AMD cards are going for nearly retail value and stock of old cards is oddly limited. The price point of the cards vs. This article is completely redundant. The difficulty will skyrocket and GPUs will have no chance of retaining their pool share. This article is wrong. That takes place in the CPU.
Please do research before posting misleading articles. This is in fact a highly well written and illuminating article, and Joel Hruska has been one of my favorite technical writers for many years now. Considering the fact that Bitcoin mining is an exceedingly wasteful way to heat your home while attempting to cash in on a global ponzi scheme, I do not consider this article a ringing endorsement.
This site may earn affiliate commissions from the links on this page. Post a Comment Comment. Thanks for stopping by. Many of use had tried Diablo at one point or another. Have you tested any ASICs? Keep reading about them but hear about many that are actually in use. Diablo, Thanks for dropping by.
Diablo, I should clarify. ASICMiner will not be doing pre-orders and will have sales open possibly next month. Diablo, Would you mind dropping me an email? Diablo, Unrelated question for you. Is there any fruit left on the optimization tree? AMD is far more likely to go under than Nvidia, sadly enough. Screenshots and configuration details, please. I mean, which miner and what software config details? Vector settings, aggression, etc. You can mine on NV hardware and make money. If you find a case where this is not true, that is indicative of a driver bug.
Nvidia keeps claiming they produce a product for GPGPU compute, yet they keep failing on integer performance. Bitcoin is not the only use of integers out there, and its not even limited to crypto research either. There is zero reason for Nvidia to have made this fundamental mistake generation after generation.
I repeatedly tried to reach out to that company, and I never got a response. This type of thing is something I could see a large company looking at as just a fraction of a fraction of their business, in other words, easy to ignore. See my response here: Thanks for dropping by. I think the bigger problem for anyone considering doing some BTC mining is the current price volatility. Making your money back on any investment is an open question.
Do you agree that the problem is likely related to Int32 instruction rates per SMX? What also gives Radeons the leg up is they can do certain things SHA requires that would normally take cycles in a single cycle, such as bitselect takes a single cycle as does rotate, Nvidia seems to be slower at these than simple integer ops add, xor, etc.
Nvidia needs to focus on code like this: If they did this, they could possibly give current generation ASIC miners a run for their money. They just have to email me. And projects like this one: Let me ask you this: I will agree with you that BFL does not look like a reliable vendor, however. As for NV fixes: This is purely a hardware problem, Nvidia is going to have to fix this themselves, and I wish they would. People who actually like getting things done every day have learned to ignore it, but most people still listen to it.
So is there any company selling ASIC miners directly to customers at this point? Meaning — not pre-orders. Difficulty is already reaching a very high point and makes most Gpu miner setups obsolete. Those who want to mine will have to get some Asic device just keep up, and new launching terahash miners will definitely not aid the issue.
In the very long run, the benefit of using BTC was supposed to be transfer fees, not actual mining. But the long-term profitability depends on the price of BTC.
At least, in the short-term. Would you mind dropping me an email? My address is listed above if you click on my name at the top of an article.
The prices there make Butterfly Labs published rates look insane. Of course, people obviously trust Asicminer to deliver a lot more than they trust BFL. I found a link to this site: That url you linked to is a pass through security for shares in the company. ASICMiner has not yet announced how they are gong to handle sales, although it seems that it is going to be ran through an auction-like format and let the market set the prices directly. Unrelated question for you.
How much optimization work could theoretically be done to squeeze more performance out of AMD cards at this juncture? I ask because it seems to me as though performance gains have plateaued. I remember in , when switching from poclbm to phatk was a huge performance gain of MHash on my hardware. Now, the benefits seem fractional — but it also seems like not much has been done in the way of new GPU clients. Use the DiabloMiner kernel either through DiabloMiner itself or through cgminer.
Looks like it does deliver a modest speed-up. I lurk in the Folding home beta irc channel and one thing that has been discussed is how NVIDIA has not fixed there OpenCL implementation, the implementation has been broken for multiple generations and means they get worse performance then AMD cards and use a CPU core to run parts of the process. Nvidia drivers as a whole are very shoddy on both Windows and Linux its more evident on Linux.
AMD at least treats me right as a customer. Most pre existing software is already written in CUDA, making porting harder than it should be. Second, and this is old, so it may be fixed by now, is that the OCL drivers on linux are unstable. This is something I have actually seen with luxrender and blender.
It is an easy switch if you know both. So I would expect Tahiti LE to be faster, yes. I think it would go even higher. Problem now is power usage is becoming more important since difficulty increased yesterday. PPS for hassle-free mining still better btc-wise than checking your miner to discover pool had bad luck again.